Iosco County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 57th-largest in Michigan
The population of Iosco County, Michigan is 25,333 as of the 2023 American Community Survey, making it the 57th-largest county in Michigan. The median household income is $47,777, the median home value is $122,900, and the median age is 53.5.
The population of Iosco County has declined 1.9% since 2010 (25,841 → 25,361), a -0.13% annualized rate.
25,333
Population
-0.13%
Annual growth
46
People / sq mi
$47,777
Median Income
$122,900
Median Home Value
Iosco County covers 549 sq mi of land at 46.1 people per square mile.
About Iosco County, MI
Iosco County is a county in Michigan with a population of 25,333. It ranks #57 among counties in Michigan by population. The median age is 53.5, older than the national median. The population is 49.8% male and 50.2% female.
The median household income in Iosco County is $47,777, below the US median of $74,580. 11.1% of residents live below the federal poverty level. Home values sit at a median of $122,900, with monthly rent averaging $659. The homeownership rate of 82.9% is higher than the national rate of 64.8%.
Educational attainment in Iosco County reflects 17.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.5% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 21.2 minutes each way.
Iosco County Population History (2010-2024)
The county of Iosco County had a population of 25,841 in 2010 and 25,361 in 2024, a -1.9% growth over 14 years. The peak was 25,841 in 2010. Average annual growth rate: -0.13%.
25,361
Population (2024)
25,841
Population (2010)
25,841
Peak (2010)
-0.13%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 25,841 |
| 2011 | 25,599 |
| 2012 | 25,455 |
| 2013 | 25,433 |
| 2014 | 25,445 |
| 2015 | 25,360 |
| 2016 | 25,307 |
| 2017 | 25,180 |
| 2018 | 25,195 |
| 2019 | 25,244 |
| 2020 | 25,189 |
| 2021 | 25,362 |
| 2022 | 25,460 |
| 2023 | 25,361 |
| 2024 | 25,361 |
Race & Ethnicity
| White | 92.4% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Age & Sex
53.5
Median Age
50.2%
Female
49.8%
Male
30.5%
Age 65+
Age Distribution
Children (under 15): 14.1% · Seniors (65+): 30.5%
Income & Poverty
| Median household income | $47,777$-23,372 vs state |
| Mean household income | $63,001 |
| Per-capita income | $29,934 |
| Poverty rate | 11.1%+2.3% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 43.2% |
Top Industries by Employment
The largest employment sector in Iosco County is professional & business services, accounting for 20.5% of workers.
How residents commute
0.1%
Drive alone
4.1%
Carpool
78.8%
Public transit
6.5%
Work from home
21.2 min
Avg commute
Housing
$122,900$-94,700 vs state
Median home value
$659
Median rent
82.9%
Homeownership rate
19,978
Total housing units
57.3%
Occupied
42.7%
Vacant
17.1%
Renter-occupied
Social & access
94.4%
With health insurance
89.5%
With broadband internet
14.8%
Foreign-born
12.3%
Veterans (18+)
21.6%
With a disability
96.8%
Speak language other than English at home
Education
89.1%
High School+
17.6%
Bachelor's+
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County rankings
Frequently Asked Questions
Iosco County, Michigan has a population of 25,333 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 57th-largest county in Michigan. Population density is 46 people per square mile.
The population of Iosco County has declined 1.9% since 2010 (25,841 → 25,361), a -0.13% annualized rate.
The median household income in Iosco County, Michigan is $47,777, with mean (average) household income of $63,001 and per-capita income of $29,934. 11.1% of residents live below the federal poverty level.
In Iosco County, the largest racial and ethnic groups are White (92.4%), Hispanic or Latino (2.0%), Black or African American (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Iosco County, Michigan is 53.5 years. Residents are 50.2% female and 49.8% male.
The median home value in Iosco County is $122,900 and median monthly rent is $659. 82.9% of occupied housing units are owner-occupied. The county has 19,978 total housing units, 42.7% of which are vacant.
The largest employment sector in Iosco County, Michigan is professional, scientific, and management services, employing 20.5% of workers. The unemployment rate is 3.4%.
Detroit is among the largest cities associated with Iosco County, Michigan, with a population of 636,644.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.